MP3 Converter
Convert audio to MP3 with this free online MP3 converter: turn M4A, WAV, FLAC, OGG and video files into MP3, WAV, M4A or OGG in batches. No upload.
Processed locally in your browserHow?
This tool runs in this browser tab. The files, text and values you enter are not uploaded to clkr.work servers — closing the tab clears them. Anonymous usage events (such as which button was pressed) are counted, never your content. Privacy policy
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How to use MP3 Converter
- 1Drop one or more audio or video files onto the page or tap Choose audio files
- 2Pick the output format (MP3, WAV, M4A or OGG), the bitrate and mono or stereo
- 3Press Convert, then download each file or all of them as a ZIP
Frequently asked questions
How do I convert a file to MP3 for free?▾
Upload the file, keep MP3 selected and press Convert. It is free, has no file limit per day, adds nothing to the audio and needs no signup or app.
Which formats can I convert?▾
Any audio your browser can play, including M4A, WAV, FLAC, OGG, AAC, OPUS, WebM and MP3, plus the sound from MP4 and MOV videos. Output can be MP3, WAV, M4A or OGG.
Which bitrate should I choose?▾
192 kbps is a good default for music. Choose 320 kbps for the best quality or 128 kbps for smaller files such as podcasts and voice notes.
Can I convert several files at once?▾
Yes. Add up to 20 files, convert them in one go and download them one by one or together in a single ZIP file.
Are my files uploaded?▾
No. Conversion runs on your device, so your audio never leaves your computer or phone and private recordings stay private.
Embed MP3 Converter on your website▾
Paste this snippet into your page. The embedded tool runs in your visitor's browser and shows a small “Powered by clkr.work” link.